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Data Set Maintenance: Data set standard item. Data set author(s): Lumbsch H. T. & Guderley R. (98-09-01). Data set to be published after submission; 98-09-01.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Brodo, I.M. Beih. Nova Hedwigia 79: 63-185 [158-159] (1984); Lumbsch, H.T. J. Hattori Bot. Lab. 77: 1-175 [137-139] (1994).

Biogeography: Continent: Asia-Temperate, Australasia, Northern America, and Southern America.

Thallus: Not subdivided parts, rimose; separate thallus parts thin. Thallus Outline: Zonate; indistinct; white. Upper Surface: Lemon (citrine), pale grey, or pale green, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, smooth or rough, not flexuose, persistent, prominent or distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 15-20-25-(30) µm wide, not basally widened, 15-20-25-(30) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (10)-10.5-12.5-14.5-(15) µm long, (5)-5.5-6.5-7.5-(8) µm wide; wall thin, not ornamented.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; 15-16.5-18 µm long.

Secondary Metabolites: Atranorin and hopane-6a,22-diol, of the following substance class(es): orcinol depsides.

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